header {
    position: fixed;
    width: 100%;
    height: 66px;
    display: flex;
    justify-content: space-between;
    box-sizing: border-box;
    z-index: 9;
    border-bottom: 1px solid #fff;
}

.API-l {
    width: 195px;
    height: 66px;
    background-repeat: no-repeat;
    background-image: url("../bigData (1)/imgs/loginlogo.png");
}

.API-c {
    width: 480px;
    height: 64px;
    margin: 0 auto;
    color: #fff;
    text-align: center;
    line-height: 66px;
    box-sizing: border-box;
}

.API-c span:hover {
    width: 50px;
    height: 64px;
    color: #fff;
    border-bottom: 2px solid #35c0f9;
    font-weight: bold;
}

.API-c>span {
    width: 50px;
    height: 64px;
    margin-left: 40px;
    display: inline-block;
}

.API-r {
    width: 200px;
    height: 66px;
    text-align: center;
    line-height: 66px;
}

.API-r button {
    border-radius: 50px;
    color: #fff;
}

.API-r button:nth-child(1) {
    width: 56px;
    height: 28px;
    text-align: center;
    line-height: 24px;
    color: #666;
}

.API-r button:nth-child(2) {
    width: 90px;
    height: 28px;
    line-height: 24px;
    color: #666;
}

.API-r button:hover {
    color: #fff;
    background-color: #eed51a;
}
#API .container{
    width: 100%;
    height: 235px;

}
#API li{
    display: inline-block;
    height: 25px;
    border-radius: 10px;
}
#API ul li:hover{
color: #35c0f9;
border: 1px solid #35c0f9;
}

.API02{ 
    display: flex;
    justify-content: space-around;
    cursor: pointer;
    width: 100%;;
    height: 30px;
    text-align: center;
    border: 1px solid purple;
    display: inline-block;
    text-align: center;

}
#API-pic{
display: block;
border-radius: 50%;
background-color: #35c0f9;
}
